102661005535 has 32 divisors (see below), whose sum is σ = 138394409472. Its totient is φ = 72461450880.

The previous prime is 102661005497. The next prime is 102661005547. The reversal of 102661005535 is 535500166201.

It is not a de Polignac number, because 102661005535 - 2¹³ = 102660997343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102661005535.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 233062 + ... + 509548.

It is an arithmetic number, because the mean of its divisors is an integer number (4324825296).

Almost surely, 2^102661005535 is an apocalyptic number.

102661005535 is a deficient number, since it is larger than the sum of its proper divisors (35733403937).

102661005535 is a wasteful number, since it uses less digits than its factorization.

102661005535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276703.

The product of its (nonzero) digits is 27000, while the sum is 34.

The spelling of 102661005535 in words is "one hundred two billion, six hundred sixty-one million, five thousand, five hundred thirty-five".